This is the 1997 report on the state of New Zealand’s environment, which gives a balanced assessment of air quality in New Zealand.
The Statistics New Zealand website includes a summary of findings on air pollution and air quality in New Zealand.
Brown, Gordon H., and Hamish Keith. An introduction to New Zealand painting, 1839–1967. London and Auckland: Collins, 1969.
Keith, Hamish, and others. Painting, 1827–1967. Wellington: A. H. & A. W. Reed, 1968.
Pound, Francis. ‘Harsh clarities.’ Parallax 1, no. 3 (Winter 1983): 263–269.
Skinner, Damian. Don Binney: ngā manu ngā motu – birds/islands. Auckland: Auckland University Press, 2003.